Home / 157,073.04-235,685.16-78,194.16

Finding the Fourth Proportional to 157,073.04, 235,685.16 and 78,194.16

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Solution

The fourth proportional to 157,073.04, 235,685.16 and 78,194.16 is: 117,328.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,073.04 : 235,685.16 = 78,194.16 : x
  2. Step 2: Convert to fraction form
    157,073.04/235,685.16 = 78,194.16/x
  3. Step 3: Cross multiply
    157,073.04x = 235,685.16 × 78,194.16
  4. Step 4: Simplify right side
    157,073.04x = 18,429,203,110.67
  5. Step 5: Solve for x
    x = 18,429,203,110.67/157,073.04
  6. Step 6: Final answer
    x = 117,328.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.